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I need to do image sequence after extracting frames.

I need to do image sequencing for each movement.I need to use a loop.For e.g,to recognise one movement I need to have 3 static movement in a row.But only one image is being recognised. Below is my c++...

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I want to get the bright area of my picture(opencv3 Blob Detection)

- I am using opencv3, - and I want to "circle" the bright area of the picture I read by using - Blob Detection> Be more specific, I want to "circle"> **the biggest red area.** ![image...

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How to do alignment of image?

I need to do the following : 1. Load largest_contour image 2. Calculate moments of the ROI 3. Find the COG of the ROI using equation :{x,y} = {M10/M00, M01/M00} 4. Align the contour ,that is ,to find...

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How to get the pixel coordinates of 4 corners points of (quasi) rectangle in...

I would like to find the pixel coordinates of the 4 corner points of the detected rectangle (its a airplane window that I assume is rectangle). Im able to detect the window (the rectangle) as shown in...

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How to slice image with respect to horizontal line pattern

I am new to opencv and trying out segmenting operations. I have this processed image as follows --> ![image description](/upfiles/1480439868583128.jpg) I want to slice the image into separate blocks...

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Losing alpha channel when passing from Unity to OpenCV?

Hello, I'm trying to develop an educational application using Unity3d and OpenCV (c++ Dll). My problem is that when I pass an image from unity encoded in PNG (in BGRA32 textureFromat) to OpenCV, if i...

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What is the best way to detect white blood cells among the red blood cells in...

Please suggest an AI based approach. Thanks.

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How to find each black bar's begin and end row numbers ?

![image description](/upfiles/14825621517613014.png) ... (in vertical direction) A `cv::Mat` binarized image. Thanks I tried like following, `img` is given image in this question. bitwise_not(img,...

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Generalized hough transform implementation in Opencv?

From [this](http://stackoverflow.com/questions/25669494/generalized-hough-transform-for-shape-detection) question on stack overflow i know there is no opencv implementation for generalized hough...

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For the pre-processing method, I am using Watershed filter. But, I am not...

Here is my code: #include "opencv2/imgproc/imgproc.hpp" #include "opencv2/highgui/highgui.hpp" #include "opencv2/opencv.hpp" #include using namespace cv; using namespace std; class WatershedSegmenter...

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Problem with Watershed algorithm

How to find the contour of only the leg and foot parts? Original image:![image description](/upfiles/1482900666141679.jpg) Denoised image: ![image description](/upfiles/14829012628355411.jpg) Result:...

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openmp with sections directive

Hi, I have a tracking algorithm with two main parts; 1. tracking algorithm 2. video overlay. A lot of stuff needs to be overlayed and it takes a lot of time. I was thinking of parallelizing the two...

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Opencv select timeout at high resolutions

Hi all. I have an A4Tech pk-336e webcam attached with my BeagleBone and i am using OpenCV to capture images from BeagleBone Black. Issue is when i capture image at 320x240 resolution i get a perfect...

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Problem with HSV

Need some help, i am not able to find the desired contour Input: ![image description](/upfiles/148298804134565.jpg) After applying binary filter: ![image description](/upfiles/14829881046754387.jpg)...

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OpenCV BOWKmeans and SVM

Hi, I have question about using KMeans with SVM. I have implemented an algorithm that extracts desired ROI from video frame with %80 accuracy. The original paper use geometrical approach to decide...

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digit recognition using ANN_MLP opencv 3.0 error

[C:\fakepath\error.png](/upfiles/14831189428760695.png) [C:\fakepath\error.png](/upfiles/14831140235882506.png) this related to the previous question i had asked:...

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Error building OpenCV 3.2 on Windows - missing unistd.h

I'm trying to build the latest version of OpenCV with CUDA and [extra modules](https://github.com/opencv/opencv_contrib) using CMake. I want CMake to generate a solution for Visual Studio 2017...

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Broken Tutorial for Video Reading and Writing C++?

Hi I was trying to use this [tutorial](http://docs.opencv.org/2.4.1/doc/tutorials/highgui/video-write/video-write.html) to do some video manipulation with OpenCV, but the program there doesn't seem to...

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Build OpenCV with OpenCL support

in CMake, I built OpenCV with OpenCL Enable ON(It automatically detected the `OPENCL_INCLUDE_DIR` path but the `OPENCL_LIBRARY` was empty, even after clicking config. for `OPENCL_LIBRARY` i don't see...

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Is this error caused by OpenCV? or Boost ?

Hello! I would like to ask question to you. I ased about this question in another site in...

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